13.8 Plus 664 Addition :

Number 1	Number 2	Answer
13.8	664	677.8

How to calculate 13.8 plus 664 ?

Let's break down the addition of 013.8 and 66400 step by step:

   013.8      <-- Start with the rightmost column
+  66400
---------

    Add the digits in the rightmost column:
        8 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   013.8
+  66400
---------
     8


    Add the digits in the rightmost column:
        3 + 4 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   013.8
+  66400
---------
     7.8


    Add the digits in the rightmost column:
        1 + 6 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   013.8
+  66400
---------
     77.8


    Add the digits in the rightmost column:
        0 + 6 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   013.8
+  66400
---------
     677.8

    Continue to the left:
        There are no more columns to the left.

The final result is 677.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13.9	667	680.9	13.9 plus 667
14	673	687	14 plus 673
14.1	675	689.1	14.1 plus 675
0.3	8.6	8.9	0.3 plus 8.6
0.2	0.3	0.5	0.2 plus 0.3
8.9	7	15.9	8.9 plus 7